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These charts are a simple way of selecting an output transformer for your old tube radio, amplifier, stereo, whatever having tube output.
This is Part 3 to "a complete product guide and retail price list to the magnificent Magnavox." It is from 1961.
This is Part 2 to "a complete product guide and retail price list to the magnificent Magnavox." It is from 1961.
This is Part 1 to "a complete product guide and retail price list to the magnificent Magnavox." It is from 1961.
Just couple advertisements from 1949 Radio-Electronics Magazines. Code name Madame X for development of the 45 RPM record and changer.
The article is about Columbia LP records and RCA new 45 RPM vinyl plastic record and need for different players. It is from the June 1949 issue of Science Illustrated Magazine.